/*
 * Copyright (C) 2010 Yury Kudryashov.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package name.kudryashov.service;

/**
 * Represents state of any service. Exact meaning of the states is up to the service.
 */
public enum State {
    /**
     * Service has this state when it is created but not initialized yet.
     */
    NOT_INITIALIZED,
    /**
     * Service has this state when it is created and initialized, but not started
     */
    INITIALIZED,
    /**
     * Service has this state when it is started and ready to serve requests.
     */
    STARTED,
    /**
     * Services has this state when it is stopped and does not serve requests (but can be re-started)
     */
    STOPPED,
    /**
     * Service has this state when it is stopped and cannot be started again 
     */
    CLOSED,
}
